Automatic unloading device

Abstract

The utility model relates to cable manufacturing field especially, more particularly to a kind of automatic unloading disc tool device, it includes: frame body, conveying mechanism, placing mechanism, transfer mechanism and positioning mechanism.Conveying mechanism is located the first side of frame body, for conveying disc tool to transfer position;Placing mechanism is located the second side of frame body, for placing disc tool;Transfer mechanism is located on frame body, and the first end of transfer mechanism is close to transfer position setting, second end is close to placing mechanism setting;Positioning mechanism is located on transfer mechanism, and by transfer mechanism drive to place disc tool by conveying mechanism transfer to placing mechanism placement.The utility model provides a kind of automatic unloading disc tool device, the whole process is conveyed by conveying mechanism, placing mechanism, transfer mechanism and positioning mechanism cooperation and disc tool is unloaded to specified position, realizes the automation operation of unloading disc tool, saves manpower, and it is fast and efficient;Compared with manpower disc tool, the whole disc tool handling process is safe and stable.

Description

Technical Field

[0001] This utility model relates to the field of cable manufacturing, and in particular to an automatic reel unloading device. Background Technology

[0002] The copper conductor drawing process is the first step in cable manufacturing, directly determining the overall production quality and schedule, and is considered a core component of cable production. Currently, the unloading and stacking of copper conductor wire drawing reels are all done manually. Due to the weight of the reels and the high frequency of unloading, the labor consumption is significant, the operation is time-consuming, and there are many safety hazards during handling. Stacking is also often messy, especially for long-distance transport, which presents a significant challenge. To comprehensively improve the automation level of the copper conductor drawing process, achieve safe and efficient handling and stacking of reels, save labor and time costs, and especially solve the problem of transporting reels over ultra-long distances, there is an urgent need to design an automatic reel unloading device. Utility Model Content

[0003] This utility model provides an automatic unloading device to solve the defects of the prior art, which uses manual labor for unloading and stacking full trays, resulting in high labor consumption, long operation time, low safety, and uneven stacking.

[0004] This utility model provides an automatic tray unloading device, comprising: Frame; A conveying mechanism, located on the first side of the frame, is used to convey trays to the transfer position; A placement mechanism, located on the second side of the frame, is used to place trays; A transfer mechanism is provided on the frame, with a first end of the transfer mechanism located near the transfer position and a second end located near the placement mechanism; A positioning mechanism is provided on the transfer mechanism and is driven by the transfer mechanism to transfer the tray from the conveying mechanism to the placement mechanism and place it on the placement mechanism.

[0005] According to the automatic tray unloading device provided by this utility model, the conveying mechanism includes: A conveyor belt assembly is movably disposed on the first side of the frame; The first tray limiting component is disposed on the conveyor belt assembly and moves synchronously with the conveyor belt assembly, and is used to mount the tray and limit the tray.

[0006] According to the automatic tray unloading device provided by this utility model, the conveyor belt assembly includes: The first bracket is fixed to the first side of the frame; The first guide wheel is rotatably mounted on the first bracket; The first conveyor belt is tensioned on the first guide wheel and moves synchronously with the first guide wheel. The first disc limiting component is disposed on the first conveyor belt.

[0007] According to the automatic tray unloading device provided by this utility model, the first tray limiting component includes: The first disc has a limiting strip, which is disposed on the conveyor belt assembly and extends along the conveying direction of the conveyor belt assembly; The second disc has a limiting strip, which is disposed on the conveyor belt assembly and extends along the conveying direction of the conveyor belt assembly.

[0008] According to the automatic tray unloading device provided by this utility model, the transfer mechanism includes: The second bracket is fixed to the frame. The second guide wheel is rotatably mounted on the second bracket; The second conveyor belt is tensioned on the second guide wheel and moves synchronously with the second guide wheel; the positioning mechanism is located on the second conveyor belt. The drive unit is connected to the second guide wheel.

[0009] According to the automatic tray unloading device provided by this utility model, the positioning mechanism includes: The shaft assembly has its first end connected to the transfer mechanism; The connecting block has its first end connected to the second end of the shaft assembly; The telescopic component has a first end connected to the second end of the connecting block, and the second end is adapted to be detachably engaged with the disc.

[0010] According to the automatic tray unloading device provided by this utility model, the shaft assembly includes: The positioning shaft has a first end that passes through the transfer mechanism and a second end that is connected to the connecting block. A locking element is provided on the positioning shaft and locks the positioning shaft to the transfer mechanism.

[0011] According to the automatic tray unloading device provided by this utility model, the telescopic component includes: A cylinder is mounted on the connecting block; A push rod is located at the telescopic end of the cylinder and is adapted to be inserted into the through hole of the disc. A limiting plate is fixed on the outer shell of the cylinder and is adapted to contact and limit the movement of the disc.

[0012] According to the automatic tray unloading device provided by this utility model, the placement mechanism includes: A support structure is provided on the second side of the frame; The second tray has a limiting component, which is disposed on the support body and located near the second end of the transfer mechanism.

[0013] According to the automatic tray unloading device provided by this utility model, the second tray limiting component includes: The third disc has a limiting strip and is provided on the support body; The fourth disc has a limiting strip, which is provided on the support body and is parallel to the limiting strip of the third disc.

[0014] This utility model provides an automatic tray unloading device, comprising: a frame, a conveying mechanism, a placement mechanism, a transfer mechanism, and a positioning mechanism. The conveying mechanism is located on the first side of the frame and is used to convey trays to a transfer position; the placement mechanism is located on the second side of the frame and is used to place trays; the transfer mechanism is mounted on the frame, with its first end near the transfer position and its second end near the placement mechanism; the positioning mechanism is mounted on the transfer mechanism and is driven by the transfer mechanism to transfer the trays from the conveying mechanism to the placement mechanism. This automatic tray unloading device, through the coordinated conveying, placement, transfer, and positioning mechanisms, automates the tray unloading process, saving manpower and providing speed and efficiency. Compared to manual tray unloading, the entire tray handling process is safer and more stable. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of the automatic tray unloading device provided in one embodiment of the present invention.

[0017] Figure 2 This is a schematic diagram of the transfer mechanism and conveying mechanism provided in one embodiment of the present invention.

[0018] Figure 3 This is a schematic diagram of the placement mechanism provided in one embodiment of the present invention.

[0019] Figure 4 This is a structural schematic diagram of the transfer mechanism provided in one embodiment of the present invention from another perspective.

[0020] Figure 5 This is a structural schematic diagram of the automatic unloading device provided in one embodiment of the present invention under various working states.

[0021] Figure label: 1: Disc; 2: Positioning mechanism; 3: Connecting block; 4: Shaft assembly; 5: Transfer mechanism; 6: Conveying mechanism; 7: Placement mechanism; 8: Frame; 201: Push rod; 202: Limiting plate; 203: Cylinder; 401: Positioning shaft; 402: Locking component; 501: Drive unit; 502: Second conveyor belt; 503: Second support frame; 504: Second guide wheel; 601: First conveyor belt; 602: First tray limit bar; 603: Second tray limit bar; 604: First support; 605: First guide wheel; 701: Support body; 702: Third tray with limiting strip; 703: Fourth tray with limiting strip; A: First state; B: Second state; C: Third state. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] In the description of this embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this embodiment and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this embodiment.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this embodiment, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this embodiment, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," "link," and "fix" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

[0026] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0027] The following is combined Figures 1-5 This invention describes an automatic tray unloading device. The automatic tray unloading device includes: a frame 8, a conveying mechanism 6, a placement mechanism 7, a transfer mechanism 5, and a positioning mechanism 2.

[0028] The conveying mechanism 6 is located on the first side of the frame 8 and is used to convey the tray 1 to the transfer position; the placement mechanism 7 is located on the second side of the frame 8 and is used to place the tray 1; the transfer mechanism 5 is located on the frame 8, and the first end of the transfer mechanism 5 is located near the transfer position, and the second end is located near the placement mechanism 7; the positioning mechanism 2 is located on the transfer mechanism 5 and is driven by the transfer mechanism 5 to transfer the tray 1 from the conveying mechanism 6 to the placement mechanism 7 and place it on the placement mechanism 7.

[0029] Specifically, the frame 8 serves as the support and installation device for the entire device, and it can adopt a groove structure. The conveying mechanism 6 and the placement mechanism 7 are located on both sides of the groove. The conveying mechanism 6 is the feeding section of the disc 1, and the placement mechanism 7 is the unloading section of the disc 1, which is the position where the disc 1 is placed after unloading.

[0030] The conveying mechanism 6 is used to receive the tray 1 and transport it to the transfer position, that is, to the first end of the transfer mechanism 5. The transfer mechanism 5 then transfers the tray 1 from the transfer position to the side near the placement mechanism 7. The positioning mechanism 2 is mounted on the transfer mechanism 5 and moves with the transfer mechanism 5. It can cooperate with the tray 1 to position it, pick up the tray 1 from the transfer position, and move the tray 1 to the side of the placement mechanism 7 as the transfer mechanism 5 moves. Finally, the tray 1 is placed on the placement mechanism 7, thereby completing the automatic unloading of the tray 1.

[0031] This utility model provides an automatic tray unloading device, comprising: a frame 8, a conveying mechanism 6, a placement mechanism 7, a transfer mechanism 5, and a positioning mechanism 2. The conveying mechanism 6 is located on the first side of the frame 8 and is used to convey trays 1 to a transfer position; the placement mechanism 7 is located on the second side of the frame 8 and is used to place trays 1; the transfer mechanism 5 is mounted on the frame 8, with its first end positioned near the transfer position and its second end near the placement mechanism 7; the positioning mechanism 2 is mounted on the transfer mechanism 5 and is driven by the transfer mechanism 5 to transfer trays 1 from the conveying mechanism 6 to the placement mechanism 7. This automatic tray unloading device, through the coordinated conveying of the conveying mechanism 6, placement mechanism 7, transfer mechanism 5, and positioning mechanism 2, unloads trays 1 to a designated position, achieving automated unloading of trays 1, saving manpower, and being fast and efficient; compared to manual unloading of trays 1, the entire tray handling process is safe and stable.

[0032] In one embodiment of this utility model, the conveying mechanism 6 includes a conveyor belt assembly and a first tray limiting assembly. The conveyor belt assembly is movably disposed on the first side of the frame 8; the first tray limiting assembly is disposed on the conveyor belt assembly and moves synchronously with the conveyor belt assembly, used to carry the tray 1 and limit the tray 1. In this embodiment, the conveyor belt assembly transports the tray 1 from the loading position to the designated transfer position, i.e., the position near the transfer mechanism 5, so that the positioning device can cooperate with the tray 1; through the reciprocating motion of the conveyor belt assembly, multiple trays 1 can be transported and unloaded sequentially. The first tray limiting assembly is disposed on the conveyor belt assembly to carry the tray 1 and limit the tray 1, preventing the tray 1 from slipping off the side and ensuring that the tray 1 can be transported to the position synchronously with the conveyor belt assembly.

[0033] In one embodiment of this utility model, the conveyor belt assembly includes: a first support 604, a first guide wheel 605, and a first conveyor belt 601. The first support 604 is fixed to a first side of the frame 8; the first guide wheel 605 is rotatably mounted on the first support 604; the first conveyor belt 601 is tensioned on the first guide wheel 605 and moves synchronously with the first guide wheel 605; a first disc limiting component is mounted on the first conveyor belt 601. Specifically, at least two pairs of first supports 604 are provided, each pair of first supports 604 supporting one first guide wheel 605 and giving the first guide wheel 605 one degree of rotational freedom. The first guide wheel 605 is connected to a stepper motor, which drives the first guide wheel 605 to rotate, thereby driving the first conveyor belt 601 to move synchronously.

[0034] In one embodiment of this utility model, the first disc limiting component includes a first disc limiting strip 602 and a second disc limiting strip 603. Both the first disc limiting strip 602 and the second disc limiting strip 603 are disposed on the conveyor belt assembly and extend along the conveying direction of the conveyor belt assembly. In this embodiment, the first disc limiting strip 602 and the second disc limiting strip 603 are arranged parallel to each other, and the lower edge of the disc 1 is tangent to both the first disc limiting strip 602 and the second disc limiting strip 603. The first disc limiting strip 602 and the second disc limiting strip 603 together achieve the limiting and positioning of the disc 1, preventing the disc 1 from slipping off the side.

[0035] In one embodiment of this utility model, the transfer mechanism 5 includes: a second support 503, a second guide wheel 504, a second conveyor belt 502, and a drive unit 501. The second support 503 is fixed on the frame 8; the second guide wheel 504 is rotatably mounted on the second support 503; the second conveyor belt 502 is tensioned on the second guide wheel 504 and moves synchronously with the second guide wheel 504; the positioning mechanism 2 is mounted on the second conveyor belt 502; and the drive unit 501 is drivenly connected to the second guide wheel 504. Specifically, at least two sets of second supports 503 are provided, one set near the second support 503 and the other set near the placement mechanism 7. Each pair of second supports 503 supports one second guide wheel 504, giving the second guide wheel 504 one degree of rotational freedom. The second guide wheel 504 is connected to a stepper motor (i.e., the drive unit 501), and the stepper motor drives the second guide wheel 504 to rotate, thereby driving the second conveyor belt 502 to move synchronously. The stepper motor is mounted on the second bracket 503, and its shaft end is connected to the second guide wheel 504 via a coupling. The stepper motor drives the second guide wheel 504 to rotate. Furthermore, the positioning mechanism 2 is located on the second conveyor belt 502. The positioning mechanism 2 moves with the second conveyor belt 502, and the positioning mechanism 2 carries the tray 1 from the conveying mechanism 6 to the placement mechanism 7.

[0036] In addition, the directions of the transfer mechanism 5 and the conveying mechanism 6 are perpendicular, that is, the conveying directions of the first conveyor belt 601 and the second conveyor belt 502 are perpendicular to each other.

[0037] In one embodiment of this utility model, the positioning mechanism 2 includes: a shaft assembly 4, a connecting block 3, and a telescopic assembly. The first end of the shaft assembly 4 is connected to the transfer mechanism 5; the first end of the connecting block 3 is connected to the second end of the shaft assembly 4; the first end of the telescopic assembly is connected to the second end of the connecting block 3, and the second end is adapted to detachably engage with the disc 1. Specifically, the shaft assembly 4 is mounted on the second conveyor belt 502 of the transfer mechanism 5 and moves synchronously with the second conveyor belt 502. The shaft assembly 4 is connected to the telescopic assembly via the connecting block 3, and the telescopic assembly can perform telescopic movement. To meet the installation requirements of the shaft assembly 4, the second conveyor belt 502 is made of a specially designed, thick, high-hardness fiber rubber material.

[0038] When the telescopic component extends, it can be inserted into the through hole of the disc 1. Under the movement of the second conveyor belt 502, the disc 1 is transferred from the first conveyor belt 601 to the placement mechanism 7 via the shaft assembly 4, connecting block 3 and telescopic component. When the disc 1 is transferred to the placement mechanism 7, the telescopic component retracts and resets under the movement of the second conveyor belt 502, and the above process is repeated for the next disc 1.

[0039] In one embodiment of this utility model, the shaft assembly 4 includes a positioning shaft 401 and a locking member 402. The first end of the positioning shaft 401 passes through the transfer mechanism 5, and its second end is connected to the connecting block 3. The locking member 402 is disposed on the positioning shaft 401 and locks the positioning shaft 401 onto the transfer mechanism 5. Specifically, the positioning shaft 401 is mounted on the second conveyor belt 502 and moves synchronously with the second conveyor belt 502. The positioning shaft 401 is fixed to the second conveyor belt 502 by the locking member 402, and the protruding end of the positioning shaft 401 is connected to the connecting block 3. Preferably, the locking member 402 can be a locking nut.

[0040] Preferably, a cylindrical through hole is formed on the second conveyor belt 502, and the end of the positioning shaft 401 without a shoulder can pass through the cylindrical through hole. One end of the positioning shaft 401 is designed with a cylindrical shoulder, and four evenly distributed countersunk holes are designed on the cylindrical shoulder. At the same time, it can be fastened to the four evenly distributed threaded holes on the second conveyor belt 502 by four screws. The other end of the positioning shaft 401 is designed with an external thread that matches the locking nut. The fastening connection between the positioning shaft 401 and the four evenly distributed threaded holes on the second conveyor belt 502 by four screws and the locking match between the positioning shaft 401 and the locking member 402 can achieve the goal of tightly fixing the positioning shaft 401 to the second conveyor belt 502.

[0041] Preferably, one end of the connecting block 3 is designed with a cylindrical through hole, through which one end of the positioning shaft 401 can pass. A pair of countersunk holes are designed on the connecting block 3, their centerlines intersecting and perpendicular to the centerlines of the cylindrical through holes on the connecting block 3. Simultaneously, a pair of cylindrical through holes with the same bottom diameter as the pair of countersunk holes designed on the connecting block 3 are machined at the end of the positioning shaft 401. The upper surface of the connecting block 3 is parallel to the plane of the frame 8. The other end of the connecting block 3 has four evenly distributed countersunk holes, and the machining reference surfaces of the four countersunk holes are perpendicular to the frame 8.

[0042] In one embodiment of this utility model, the telescopic assembly includes: a cylinder 203, a push rod 201, and a limiting plate 202. The cylinder 203 is mounted on the connecting block 3; the push rod 201 is located at the telescopic end of the cylinder 203 and is adapted to be inserted into the through hole of the disc 1; the limiting plate 202 is fixed on the outer shell of the cylinder 203 and is adapted to contact and limit the disc 1. Specifically, the cylinder 203 serves as the power for pushing out and retracting the push rod 201. The cylinder 203 drives the push rod 201 to push out and retract. When the disc 1 moves to the designated position under the drive of the first conveyor belt 601, the cylinder 203 drives the push rod 201 to push out and insert into the through hole of the disc 1. Then, the disc 1 is transferred to the placement mechanism 7 by the movement of the second conveyor belt 502. After placement, the cylinder 203 drives the push rod 201 to retract and separate from the disc 1, and the telescopic assembly is reset by the movement of the second conveyor belt 502. Understandably, the limiting plate 202 is fixedly mounted on the housing of the cylinder 203 and does not move with the push rod 201. The cylinder 203 and the push rod 201 are coaxially matched, and the push rod 201 can move linearly back and forth under the drive of the cylinder 203. The limiting plate 202 has an inner hole, the diameter of which is larger than the outer diameter of the push rod 201. The extendable length of the push rod 201 is 1.1 times the width of the disc 1, and the outer diameter of the push rod 201 is 10mm smaller than the inner diameter of the through hole of the disc 1. The end of the push rod 201 is chamfered. When the push rod 201 retracts, the limiting plate 202 contacts the disc 1, thereby pushing the disc 1 off the push rod 201.

[0043] In one embodiment of this utility model, the placement mechanism 7 includes a support body 701 and a second tray limiting component. The support body 701 is located on the second side of the frame 8; the second tray limiting component is located on the support body 701 and near the second end of the transfer mechanism 5. Specifically, the support body 701 can be a flat cement surface, and the second tray limiting component is located on the support body 701.

[0044] In one embodiment of this utility model, the second disc limiting component includes a third disc limiting strip 702 and a fourth disc limiting strip 703. The third disc limiting strip 702 is disposed on the support body 701; the fourth disc limiting strip 703 is disposed on the support body 701 and is parallel to the third disc limiting strip 702.

[0045] Preferably, the first disc limiting strip 602, the second disc limiting strip 603, the third disc limiting strip 702, and the fourth disc limiting strip 703 are all semi-cylindrical. The first disc limiting strip 602 and the second disc limiting strip 603 can be tangent to the cylindrical edges at both ends of the disc 1 at the same time. The third disc limiting strip 702 and the fourth disc limiting strip 703 can be tangent to the cylindrical edges at both ends of the disc 1 at the same time. The disc 1 can move synchronously with the first disc limiting strip 602 and the second disc limiting strip 603 under the action of friction.

[0046] Based on the above embodiments, such as Figure 5 As shown, the operation process of the automatic tray unloading device of this utility model is as follows: When the disc 1 reaches the designated position on the component conveying mechanism 6, the push rod 201 pushes out. Simultaneously, driven by the stepper motor, the disc 1 moves linearly along the first conveyor belt 601 until the circular hole of the disc 1 is fully fitted onto the push rod 201 and one end face is completely and tightly fitted with the end face of the limiting plate 202. At this point, the stepper motor stops moving (e.g., Figure 5 In the first state A shown in the diagram, the drive unit 501 is activated, driving the second conveyor belt 502 to move in the direction of the placement mechanism 7. At this time, the positioning mechanism 2 and the transport tray 1 move synchronously with the second conveyor belt 502 (as shown in the diagram). Figure 5 In the second state (B) shown, when the edges of the cylinders at both ends of the disc 1 are just tangent to the third disc limiting strip 702 and the fourth disc limiting strip 703 respectively, the drive unit 501, the second conveyor belt 502, and the positioning mechanism 2 all stop moving. Then, the push rod 201 retracts, and under the tight contact of the end face of the limiting plate 202, the disc 1 is finally and intact unloaded into the designated position on the component placement mechanism 7 (e.g., ...). Figure 5 (As shown in the third state C); then the stepper motors of the conveying mechanism 6 and the transfer mechanism 5 rotate in opposite directions to reset the first conveyor belt 601 and the second conveyor belt 502. Finally, the push rod 201 pushes out, waiting for the next tray 1 to arrive at the designated position on the component conveying mechanism 6. If the arrival signal is detected, the next operating cycle begins, and the cycle repeats.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An automatic tray unloading device, characterized in that, include: Frame (8); The conveying mechanism (6), located on the first side of the frame (8), is used to convey the tray (1) to the transfer position; The placement mechanism (7) is located on the second side of the frame (8) and is used to place the tray (1). The transfer mechanism (5) is located on the frame (8), and the first end of the transfer mechanism (5) is located near the transfer position, and the second end is located near the placement mechanism (7). The positioning mechanism (2) is located on the transfer mechanism (5) and is driven by the transfer mechanism (5) to transfer the tray (1) from the conveying mechanism (6) to the placement mechanism (7) and place it on the placement mechanism (7).

2. The automatic tray unloading device according to claim 1, characterized in that, The conveying mechanism (6) includes: A conveyor belt assembly is movably disposed on the first side of the frame (8); The first disc limiting component is disposed on the conveyor belt assembly and moves synchronously with the conveyor belt assembly. It is used to mount the disc (1) and limit the disc (1).

3. The automatic tray unloading device according to claim 2, characterized in that, The conveyor belt assembly includes: The first bracket (604) is fixed to the first side of the frame (8); The first guide wheel (605) is rotatably mounted on the first bracket (604); The first conveyor belt (601) is tensioned on the first guide wheel (605) and moves synchronously with the first guide wheel (605). The first disc limiting component is located on the first conveyor belt (601).

4. The automatic tray unloading device according to claim 2, characterized in that, The first tray limit component includes: The first disc has a limiting strip (602), which is provided on the conveyor belt assembly and extends along the conveying direction of the conveyor belt assembly; The second disc has a limiting strip (603) disposed on the conveyor belt assembly and extending along the conveying direction of the conveyor belt assembly.

5. The automatic tray unloading device according to claim 1, characterized in that, The transfer mechanism (5) includes: The second bracket (503) is fixed on the frame (8); The second guide wheel (504) is rotatably mounted on the second bracket (503); The second conveyor belt (502) is tensioned on the second guide wheel (504) and moves synchronously with the second guide wheel (504). The positioning mechanism (2) is located on the second conveyor belt (502). The drive unit (501) is driven to connect with the second guide wheel (504).

6. The automatic tray unloading device according to claim 1, characterized in that, The positioning mechanism (2) includes: The shaft assembly (4) has its first end connected to the transfer mechanism (5); The first end of the connecting block (3) is connected to the second end of the shaft assembly (4); The telescopic component has its first end connected to the second end of the connecting block (3), and the second end is adapted to be detachably engaged with the disc (1).

7. The automatic tray unloading device according to claim 6, characterized in that, The shaft assembly (4) includes: The positioning shaft (401) has its first end inserted through the transfer mechanism (5) and its second end connected to the connecting block (3); A locking element (402) is provided on the positioning shaft (401) and locks the positioning shaft (401) on the transfer mechanism (5).

8. The automatic tray unloading device according to claim 6, characterized in that, The telescopic component includes: A cylinder (203) is mounted on the connecting block (3); The push rod (201) is located at the telescopic end of the cylinder (203) and is suitable for insertion into the through hole of the disc (1); The limiting plate (202) is fixed on the outer shell of the cylinder (203) and is adapted to contact and limit the movement of the disc (1).

9. The automatic tray unloading device according to any one of claims 1 to 8, characterized in that, The placement mechanism (7) includes: A support (701) is provided on the second side of the frame (8); The second plate has a limiting component, which is disposed on the support (701) and near the second end of the transfer mechanism (5).

10. The automatic tray unloading device according to claim 9, characterized in that, The second tray limit component includes: The third plate has a limiting strip (702) and is provided on the support (701); The fourth disc has a limiting strip (703), which is provided on the support (701) and is parallel to the third disc has a limiting strip (702).

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